RT Journal Article SR Electronic T1 Acetaminophen as an Adjunct to Morphine by Patient Controlled Analgesia in the Management of Acute Postoperative Pain. JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 81 OP 81 DO 10.1136/rapm-00115550-199722021-00081 VO 22 IS Suppl 2 A1 D A Sidebotham A1 S A Schug A1 M McGuinnety A1 L Fox YR 1997 UL http://rapm.bmj.com/content/22/Suppl_2/81.abstract AB